Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2915.90.14.00Tariff line
Classification path
Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives
2915
Other
Acids
Other
Valproic acid
2915.90.14.00
Rates of duty
General rate (Column 1)4.2%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1469
Measure flags
for origin CN, entry date 2026-10-25 · base rate 4.2%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2915.90.14 is on L3
- PGAFDA FD1
Confirmed total 41.7% · max 41.7%Full duty breakdown →